A reality-TV star and her squad whip regular folks into shape in the new series “Revenge Body With Khloé Kardashian.” 8 p.m. E!

The stars come out for the opening of the Smithsonian’s National Museum of African American History and Culture in the gala special “Taking the Stage: African American Music and Stories That Changed America.” With Oprah Winfrey, Tom Hanks, Samuel L. Jackson, et al. 9 p.m. ABC

Celebs put their best dishes forward and then chefs Curtis Stone and Cat Cora judge the results in the new series “My Kitchen Rules.” 9 p.m. Fox

Host Don Wildman tells tales about the White House on a special edition of “Mysteries at the Museum.” 9 p.m. Travel Channel

Neil Patrick Harris, not Jim Carrey, is the villainous Count Olaf in a new serial adaptation of the darkly comic kids’ books “Lemony Snicket’s A Series of Unfortunate Events.” Patrick Warburton narrates. Any time, Netflix

Giovanni Ribisi plays a real shady character in the new crime drama “Sneaky Pete.” With “Breaking Bad’s” Bryan Cranston and “Justified’s” Margo Martindale. Any time, Amazon